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Posted to dev@hc.apache.org by "mohan pindyala (Created) (JIRA)" <ji...@apache.org> on 2011/12/03 02:05:39 UTC
[jira] [Created] (HTTPCLIENT-1150) HttpClient 4.1
MaxTotalConnections and MaxPerRoute questions
HttpClient 4.1 MaxTotalConnections and MaxPerRoute questions
--------------------------------------------------------------
Key: HTTPCLIENT-1150
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1150
Project: HttpComponents HttpClient
Issue Type: Bug
Components: HttpConn
Affects Versions: 4.1.2, 4.1.1
Environment: LAMP stack
Reporter: mohan pindyala
We have a java web application which makes calls to 2 of our third party Services using httpclient.
Following are the settings for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManagerr. the numbers are ridiculously high
httpclient.defaultMaxPerRoute = 10000
httpclient.maxTotalConnections = 20000
Socket and connection timeout on org.apache.http.params.HttpConnectionParams are set as
httpclient.socketTimeout = 120000ms
httpclient.connectionTimeout = 20000ms
we have disabled the org.apache.http.params.HttpConnectionParams#setStaleCheckingEnabled = false.
we have a cron process running which checks for idle connections using ClientConnectionManager object every 10 seconds and closed expired & idle connections.
We also have retry handler set on org.apache.http.impl.client.DefaultHttpClient. It retries once with a 40ms delay.
So questions are as follows
1. Does above setting look ok for you ? if not what are the optimal numbers. Lets say there are 4 third party services we have to call , how should set these numbers to support that.
2. We sometimes get following errors, which are not able to figure out if it is the third party server or httpclient issue. These errors show up during peak volume hitting our servers.
a. java.net.SocketException: Connection reset
b. :java.net.SocketTimeoutException: Read timed out
c. org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
we checked with our third party services and everything was normal on their side when these things happened.
Following are the stack traces for each exception type
org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
at gwy.core.io.TrackingClientConnectionRequest.getConnection(TrackingClientConnectionRequest.java:68)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:168)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
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[jira] [Updated] (HTTPCLIENT-1150) HttpClient 4.1
MaxTotalConnections and MaxPerRoute questions
Posted by "mohan pindyala (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
mohan pindyala updated HTTPCLIENT-1150:
---------------------------------------
Description:
We have a java web application which makes calls to 2 of our third party Services using httpclient.
Following are the settings for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManagerr. the numbers are ridiculously high
httpclient.defaultMaxPerRoute = 10000
httpclient.maxTotalConnections = 20000
Socket and connection timeout on org.apache.http.params.HttpConnectionParams are set as
httpclient.socketTimeout = 120000ms
httpclient.connectionTimeout = 20000ms
we have disabled the org.apache.http.params.HttpConnectionParams#setStaleCheckingEnabled = false.
we have a cron process running which checks for idle connections using ClientConnectionManager object every 10 seconds and closes expired & idle connections.
We also have retry handler set on org.apache.http.impl.client.DefaultHttpClient. It retries once with a 40ms delay.
So questions are as follows
1. Does above setting look ok for you ? if not what are the optimal numbers. Lets say there are 4 third party services we have to call , how should we set these numbers to support that.
2. We sometimes get following errors, which are not able to figure out if it is the third party server or httpclient issue. These errors show up during peak volume hitting our servers.
a. java.net.SocketException: Connection reset
b. :java.net.SocketTimeoutException: Read timed out
c. org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
we checked with our third party services and everything was normal on their side when these things happened.
Following are the stack traces for each exception type
org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
at gwy.core.io.TrackingClientConnectionRequest.getConnection(TrackingClientConnectionRequest.java:68)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:168)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
was:
We have a java web application which makes calls to 2 of our third party Services using httpclient.
Following are the settings for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManagerr. the numbers are ridiculously high
httpclient.defaultMaxPerRoute = 10000
httpclient.maxTotalConnections = 20000
Socket and connection timeout on org.apache.http.params.HttpConnectionParams are set as
httpclient.socketTimeout = 120000ms
httpclient.connectionTimeout = 20000ms
we have disabled the org.apache.http.params.HttpConnectionParams#setStaleCheckingEnabled = false.
we have a cron process running which checks for idle connections using ClientConnectionManager object every 10 seconds and closed expired & idle connections.
We also have retry handler set on org.apache.http.impl.client.DefaultHttpClient. It retries once with a 40ms delay.
So questions are as follows
1. Does above setting look ok for you ? if not what are the optimal numbers. Lets say there are 4 third party services we have to call , how should we set these numbers to support that.
2. We sometimes get following errors, which are not able to figure out if it is the third party server or httpclient issue. These errors show up during peak volume hitting our servers.
a. java.net.SocketException: Connection reset
b. :java.net.SocketTimeoutException: Read timed out
c. org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
we checked with our third party services and everything was normal on their side when these things happened.
Following are the stack traces for each exception type
org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
at gwy.core.io.TrackingClientConnectionRequest.getConnection(TrackingClientConnectionRequest.java:68)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:168)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
> HttpClient 4.1 MaxTotalConnections and MaxPerRoute questions
> --------------------------------------------------------------
>
> Key: HTTPCLIENT-1150
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1150
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpConn
> Affects Versions: 4.1.1, 4.1.2
> Environment: LAMP stack
> Reporter: mohan pindyala
>
> We have a java web application which makes calls to 2 of our third party Services using httpclient.
> Following are the settings for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManagerr. the numbers are ridiculously high
> httpclient.defaultMaxPerRoute = 10000
> httpclient.maxTotalConnections = 20000
> Socket and connection timeout on org.apache.http.params.HttpConnectionParams are set as
> httpclient.socketTimeout = 120000ms
> httpclient.connectionTimeout = 20000ms
> we have disabled the org.apache.http.params.HttpConnectionParams#setStaleCheckingEnabled = false.
> we have a cron process running which checks for idle connections using ClientConnectionManager object every 10 seconds and closes expired & idle connections.
> We also have retry handler set on org.apache.http.impl.client.DefaultHttpClient. It retries once with a 40ms delay.
> So questions are as follows
> 1. Does above setting look ok for you ? if not what are the optimal numbers. Lets say there are 4 third party services we have to call , how should we set these numbers to support that.
> 2. We sometimes get following errors, which are not able to figure out if it is the third party server or httpclient issue. These errors show up during peak volume hitting our servers.
> a. java.net.SocketException: Connection reset
>
> b. :java.net.SocketTimeoutException: Read timed out
> c. org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
> we checked with our third party services and everything was normal on their side when these things happened.
> Following are the stack traces for each exception type
> org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
> at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
> at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
> at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
> at gwy.core.io.TrackingClientConnectionRequest.getConnection(TrackingClientConnectionRequest.java:68)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
> java.net.SocketException: Connection reset
> at java.net.SocketInputStream.read(SocketInputStream.java:168)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
> at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
> at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
> at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
> at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
> at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
> at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
> at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
> at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
> at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
> at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
> java.net.SocketTimeoutException: Read timed out
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
> at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
> at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
> at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
> at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
> at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
> at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
> at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
> at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
> at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
> at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
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[jira] [Updated] (HTTPCLIENT-1150) HttpClient 4.1
MaxTotalConnections and MaxPerRoute questions
Posted by "mohan pindyala (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
mohan pindyala updated HTTPCLIENT-1150:
---------------------------------------
Description:
We have a java web application which makes calls to 2 of our third party Services using httpclient.
Following are the settings for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManagerr. the numbers are ridiculously high
httpclient.defaultMaxPerRoute = 10000
httpclient.maxTotalConnections = 20000
Socket and connection timeout on org.apache.http.params.HttpConnectionParams are set as
httpclient.socketTimeout = 120000ms
httpclient.connectionTimeout = 20000ms
we have disabled the org.apache.http.params.HttpConnectionParams#setStaleCheckingEnabled = false.
we have a cron process running which checks for idle connections using ClientConnectionManager object every 10 seconds and closed expired & idle connections.
We also have retry handler set on org.apache.http.impl.client.DefaultHttpClient. It retries once with a 40ms delay.
So questions are as follows
1. Does above setting look ok for you ? if not what are the optimal numbers. Lets say there are 4 third party services we have to call , how should we set these numbers to support that.
2. We sometimes get following errors, which are not able to figure out if it is the third party server or httpclient issue. These errors show up during peak volume hitting our servers.
a. java.net.SocketException: Connection reset
b. :java.net.SocketTimeoutException: Read timed out
c. org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
we checked with our third party services and everything was normal on their side when these things happened.
Following are the stack traces for each exception type
org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
at gwy.core.io.TrackingClientConnectionRequest.getConnection(TrackingClientConnectionRequest.java:68)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:168)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
was:
We have a java web application which makes calls to 2 of our third party Services using httpclient.
Following are the settings for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManagerr. the numbers are ridiculously high
httpclient.defaultMaxPerRoute = 10000
httpclient.maxTotalConnections = 20000
Socket and connection timeout on org.apache.http.params.HttpConnectionParams are set as
httpclient.socketTimeout = 120000ms
httpclient.connectionTimeout = 20000ms
we have disabled the org.apache.http.params.HttpConnectionParams#setStaleCheckingEnabled = false.
we have a cron process running which checks for idle connections using ClientConnectionManager object every 10 seconds and closed expired & idle connections.
We also have retry handler set on org.apache.http.impl.client.DefaultHttpClient. It retries once with a 40ms delay.
So questions are as follows
1. Does above setting look ok for you ? if not what are the optimal numbers. Lets say there are 4 third party services we have to call , how should set these numbers to support that.
2. We sometimes get following errors, which are not able to figure out if it is the third party server or httpclient issue. These errors show up during peak volume hitting our servers.
a. java.net.SocketException: Connection reset
b. :java.net.SocketTimeoutException: Read timed out
c. org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
we checked with our third party services and everything was normal on their side when these things happened.
Following are the stack traces for each exception type
org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
at gwy.core.io.TrackingClientConnectionRequest.getConnection(TrackingClientConnectionRequest.java:68)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:168)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
> HttpClient 4.1 MaxTotalConnections and MaxPerRoute questions
> --------------------------------------------------------------
>
> Key: HTTPCLIENT-1150
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1150
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpConn
> Affects Versions: 4.1.1, 4.1.2
> Environment: LAMP stack
> Reporter: mohan pindyala
>
> We have a java web application which makes calls to 2 of our third party Services using httpclient.
> Following are the settings for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManagerr. the numbers are ridiculously high
> httpclient.defaultMaxPerRoute = 10000
> httpclient.maxTotalConnections = 20000
> Socket and connection timeout on org.apache.http.params.HttpConnectionParams are set as
> httpclient.socketTimeout = 120000ms
> httpclient.connectionTimeout = 20000ms
> we have disabled the org.apache.http.params.HttpConnectionParams#setStaleCheckingEnabled = false.
> we have a cron process running which checks for idle connections using ClientConnectionManager object every 10 seconds and closed expired & idle connections.
> We also have retry handler set on org.apache.http.impl.client.DefaultHttpClient. It retries once with a 40ms delay.
> So questions are as follows
> 1. Does above setting look ok for you ? if not what are the optimal numbers. Lets say there are 4 third party services we have to call , how should we set these numbers to support that.
> 2. We sometimes get following errors, which are not able to figure out if it is the third party server or httpclient issue. These errors show up during peak volume hitting our servers.
> a. java.net.SocketException: Connection reset
>
> b. :java.net.SocketTimeoutException: Read timed out
> c. org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
> we checked with our third party services and everything was normal on their side when these things happened.
> Following are the stack traces for each exception type
> org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
> at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
> at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
> at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
> at gwy.core.io.TrackingClientConnectionRequest.getConnection(TrackingClientConnectionRequest.java:68)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
> java.net.SocketException: Connection reset
> at java.net.SocketInputStream.read(SocketInputStream.java:168)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
> at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
> at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
> at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
> at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
> at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
> at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
> at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
> at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
> at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
> at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
> java.net.SocketTimeoutException: Read timed out
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
> at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
> at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
> at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
> at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
> at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
> at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
> at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
> at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
> at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
> at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
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[jira] [Resolved] (HTTPCLIENT-1150) HttpClient 4.1
MaxTotalConnections and MaxPerRoute questions
Posted by "Oleg Kalnichevski (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski resolved HTTPCLIENT-1150.
-------------------------------------------
Resolution: Invalid
Jira is an issue tracker and not a bulletin board. Please post all your HttpClient questions to the httpclient-user list.
http://hc.apache.org/mail.html
Oleg
> HttpClient 4.1 MaxTotalConnections and MaxPerRoute questions
> --------------------------------------------------------------
>
> Key: HTTPCLIENT-1150
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1150
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpConn
> Affects Versions: 4.1.1, 4.1.2
> Environment: LAMP stack
> Reporter: mohan pindyala
>
> We have a java web application which makes calls to 2 of our third party Services using httpclient.
> Following are the settings for org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManagerr. the numbers are ridiculously high
> httpclient.defaultMaxPerRoute = 10000
> httpclient.maxTotalConnections = 20000
> Socket and connection timeout on org.apache.http.params.HttpConnectionParams are set as
> httpclient.socketTimeout = 120000ms
> httpclient.connectionTimeout = 20000ms
> we have disabled the org.apache.http.params.HttpConnectionParams#setStaleCheckingEnabled = false.
> we have a cron process running which checks for idle connections using ClientConnectionManager object every 10 seconds and closes expired & idle connections.
> We also have retry handler set on org.apache.http.impl.client.DefaultHttpClient. It retries once with a 40ms delay.
> So questions are as follows
> 1. Does above setting look ok for you ? if not what are the optimal numbers. Lets say there are 4 third party services we have to call , how should we set these numbers to support that.
> 2. We sometimes get following errors, which are not able to figure out if it is the third party server or httpclient issue. These errors show up during peak volume hitting our servers.
> a. java.net.SocketException: Connection reset
>
> b. :java.net.SocketTimeoutException: Read timed out
> c. org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
> we checked with our third party services and everything was normal on their side when these things happened.
> Following are the stack traces for each exception type
> org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
> at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
> at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
> at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
> at gwy.core.io.TrackingClientConnectionRequest.getConnection(TrackingClientConnectionRequest.java:68)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
> java.net.SocketException: Connection reset
> at java.net.SocketInputStream.read(SocketInputStream.java:168)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
> at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
> at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
> at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
> at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
> at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
> at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
> at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
> at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
> at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
> at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
> java.net.SocketTimeoutException: Read timed out
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:149)
> at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:110)
> at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:260)
> at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:98)
> at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:252)
> at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:281)
> at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:247)
> at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:219)
> at gwy.core.io.TrackingClientConnection.receiveResponseHeader(TrackingClientConnection.java:140)
> at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:298)
> at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
> at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:622)
> at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:454)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
> at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
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